65162203566 has 16 divisors (see below), whose sum is σ = 137990548944. Its totient is φ = 20443044224.

The previous prime is 65162203553. The next prime is 65162203571. The reversal of 65162203566 is 66530226156.

It is a super-2 number, since 2×65162203566² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319422465 + ... + 319422668.

It is an arithmetic number, because the mean of its divisors is an integer number (8624409309).

Almost surely, 2^65162203566 is an apocalyptic number.

65162203566 is an abundant number, since it is smaller than the sum of its proper divisors (72828345378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65162203566 is a wasteful number, since it uses less digits than its factorization.

65162203566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638845155.

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 65162203566 in words is "sixty-five billion, one hundred sixty-two million, two hundred three thousand, five hundred sixty-six".